Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
nhieu tang » chieu sang, hieu lang, nhiet nang
trong hach » trong mach, trong cach, trong hanh
nho nhieu » nho hieu, ho chieu, nha hieu
hach toan » thanh toan, manh toan
tinh cua » trinh cua, sinh cua, tinh chat
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: nho nhieu tang - hanh ((tinh cua) or (trinh quan)) dung trong hach toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho nhieu tang - hanh ((tinh cua) OR (trinh quan)) dung trong hach toan ban.
• Adding a wildcard symbol may retrieve word variants: nho nhieu tang - hanh ((tinh cua) or (trinh quan)) dung trong hach toan ban*.